Mastering Power Query: The Art of Data Cleaning (ETL): The Ultimate Guide to Automate Spreadsheets, Learn M Language, and Transform Excel Chaos into Business Intelligence Reports by Oliveira
English | December 19, 2025 | ISBN: N/A | ASIN: B0G94BPQPP | 77 pages | EPUB | 0.21 Mb
Are you spending 80% of your time cleaning spreadsheets and only 20% analyzing data? Stop the manual copy-paste cycle today.
Every analyst knows the nightmare: it's Friday afternoon, management needs a consolidated report, and you're staring at 12 different Excel files, 3 PDFs, and messy system exports. The result? Hours of manual grunt work, stress, and error-prone reporting.
This book is your escape route. Mastering Power Query: The Art of Data Cleaning is not just a technical manual; it is a survival guide for the modern data professional.
Learn how to build data robots that work for you. Record your cleaning steps once, and refresh your reports forever with a single click.
What you will master in this practical guide:Beyond VLOOKUP: Learn to merge massive tables without freezing your computer.The Magic of Unpivot: Transform human-readable spreadsheets into powerful analytical datasets instantly.Scale Automation: How to consolidate 50 files from a folder automatically (even PDFs!).M Language Made Easy: Understand the engine behind the tool to create custom logic and robust error handling.Data Hygiene: Professional techniques to handle dates, text parsing, and null values.Perfect for Excel users, financial analysts, accountants, and aspiring Power BI specialists. Leave the grunt work to the machine and focus on business intelligence.
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